Implement backend

postgres/categories.sql.go

@@ -91,6 +91,24 @@ func (q *Queries) GetCategories(ctx context.Context, budgetID uuid.UUID) ([]GetC
 	return items, nil
 }
 
+const getCategoryGroupByName = `-- name: GetCategoryGroupByName :one
+SELECT category_groups.id, category_groups.budget_id, category_groups.name FROM category_groups 
+WHERE category_groups.budget_id = $1
+AND category_groups.name = $2
+`
+
+type GetCategoryGroupByNameParams struct {
+	BudgetID uuid.UUID
+	Name     string
+}
+
+func (q *Queries) GetCategoryGroupByName(ctx context.Context, arg GetCategoryGroupByNameParams) (CategoryGroup, error) {
+	row := q.db.QueryRowContext(ctx, getCategoryGroupByName, arg.BudgetID, arg.Name)
+	var i CategoryGroup
+	err := row.Scan(&i.ID, &i.BudgetID, &i.Name)
+	return i, err
+}
+
 const getCategoryGroups = `-- name: GetCategoryGroups :many
 SELECT category_groups.id, category_groups.budget_id, category_groups.name FROM category_groups 
 WHERE category_groups.budget_id = $1

postgres/queries/categories.sql

@@ -8,6 +8,11 @@ RETURNING *;
 SELECT category_groups.* FROM category_groups 
 WHERE category_groups.budget_id = $1;
 
+-- name: GetCategoryGroupByName :one
+SELECT category_groups.* FROM category_groups 
+WHERE category_groups.budget_id = $1
+AND category_groups.name = $2;
+
 -- name: CreateCategory :one
 INSERT INTO categories
 (name, category_group_id)